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SIM900 GSM/GPRS Shield IComsat Preview

SIM900 GSM/GPRS Shield IComsat PreviewIComsat is a GSM/GPRS shield for Arduino and based on  the SIM900 Quad-band GSM/GPRS module. It is controlled via AT commands (GSM 07.07 ,07.05 and SIMCOM enhanced AT Commands), and fully compatible with Arduino / Iteaduino and Mega.

What is the new features of this shield ?
  1. Easy to use. Just plug this shield on the Arduino/ Iteaduino board, and they can provide a GSM/GPRS 850/900/1800/1900MHz performance for voice, SMS, Data, and Fax in a small form factor and with low power consumption.
  2. Free serial port connecting. You can use the 2 jumper block to connect the SIM900 URAT post to any pins within D0-D7.  There is a switch on board , you can use it to select the connection of the UART port or Debug port , even be set on on Arduino, but by the switch and jumper block, the SIM900 can be connect to PC via FT233RL.
  3. SIM900 all pins breakout. Not just the UART port and debug port be layout, but also all pins on SIM900 be layout to the 2.54 standard pitch.
  4. Super capacitor power supply for the RTC. The RTC can work more than 1 days by the power supply of super capacitor. So the SIM900 can keep the time and day when power off.
  5. Compatible with IBridge. The IComsat is stackable, so you can plug a IBriget on it, then you get the 4×4 key pad, 5110 LCD display and GSM/GPRS module work together now ! Play your fancy, you can build many handheld wireless terminal not just a cell phone.

Now we are writing the datasheet and some demo code. This GSM/GPRS shield will soon in stock with more material.